table_io_waits_summary_by_table

Overview

A description for this Performance-schema Table has not yet been added to this Documentation.

DETAILS

SCHEMA

CREATE TABLE `table_io_waits_summary_by_table` (
  `OBJECT_TYPE` varchar(64) DEFAULT NULL COMMENT 'Since this table records waits by table, always set to TABLE.',
  `OBJECT_SCHEMA` varchar(64) DEFAULT NULL COMMENT 'Schema name.',
  `OBJECT_NAME` varchar(64) DEFAULT NULL COMMENT 'Table name.',
  `COUNT_STAR` bigint(20) unsigned NOT NULL COMMENT 'Number of summarized events and the sum of the x_READ and x_WRITE columns.',
  `SUM_TIMER_WAIT` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of the summarized events that are timed.',
  `MIN_TIMER_WAIT` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of the summarized events that are timed.',
  `AVG_TIMER_WAIT` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of the summarized events that are timed.',
  `MAX_TIMER_WAIT` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of the summarized events that are timed.',
  `COUNT_READ` bigint(20) unsigned NOT NULL COMMENT 'Number of all read operations, and the sum of the equivalent x_FETCH columns.',
  `SUM_TIMER_READ` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of all read operations that are timed.',
  `MIN_TIMER_READ` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of all read operations that are timed.',
  `AVG_TIMER_READ` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of all read operations that are timed.',
  `MAX_TIMER_READ` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of all read operations that are timed.',
  `COUNT_WRITE` bigint(20) unsigned NOT NULL COMMENT 'Number of all write operations, and the sum of the equivalent x_INSERT, x_UPDATE and x_DELETE columns.',
  `SUM_TIMER_WRITE` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of all write operations that are timed.',
  `MIN_TIMER_WRITE` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of all write operations that are timed.',
  `AVG_TIMER_WRITE` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of all write operations that are timed.',
  `MAX_TIMER_WRITE` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of all write operations that are timed.',
  `COUNT_FETCH` bigint(20) unsigned NOT NULL COMMENT 'Number of all fetch operations.',
  `SUM_TIMER_FETCH` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of all fetch operations that are timed.',
  `MIN_TIMER_FETCH` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of all fetch operations that are timed.',
  `AVG_TIMER_FETCH` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of all fetch operations that are timed.',
  `MAX_TIMER_FETCH` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of all fetch operations that are timed.',
  `COUNT_INSERT` bigint(20) unsigned NOT NULL COMMENT 'Number of all insert operations.',
  `SUM_TIMER_INSERT` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of all insert operations that are timed.',
  `MIN_TIMER_INSERT` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of all insert operations that are timed.',
  `AVG_TIMER_INSERT` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of all insert operations that are timed.',
  `MAX_TIMER_INSERT` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of all insert operations that are timed.',
  `COUNT_UPDATE` bigint(20) unsigned NOT NULL COMMENT 'Number of all update operations.',
  `SUM_TIMER_UPDATE` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of all update operations that are timed.',
  `MIN_TIMER_UPDATE` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of all update operations that are timed.',
  `AVG_TIMER_UPDATE` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of all update operations that are timed.',
  `MAX_TIMER_UPDATE` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of all update operations that are timed.',
  `COUNT_DELETE` bigint(20) unsigned NOT NULL COMMENT 'Number of all delete operations.',
  `SUM_TIMER_DELETE` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of all delete operations that are timed.',
  `MIN_TIMER_DELETE` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of all delete operations that are timed.',
  `AVG_TIMER_DELETE` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of all delete operations that are timed.',
  `MAX_TIMER_DELETE` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of all delete operations that are timed.'
)

CHANGE HISTORY

Release Series

History

10.6 Enterprise

  • Present starting in MariaDB Enterprise Server 10.6.4-1.

  • Schema changed in MariaDB Enterprise Server 10.6.5-2: ...

10.6 Community

  • Present starting in MariaDB Community Server 10.6.0.

  • Schema changed in MariaDB Community Server 10.6.5: ...

10.5 Enterprise

  • Present starting in MariaDB Enterprise Server 10.5.3-1.

  • Schema changed in MariaDB Enterprise Server 10.5.13-9: ...

10.5 Community

  • Present starting in MariaDB Community Server 10.5.0.

  • Schema changed in MariaDB Community Server 10.5.13: ...

10.4 Enterprise

  • Present starting in MariaDB Enterprise Server 10.4.6-1.

  • Schema changed in MariaDB Enterprise Server 10.4.22-14: ...

10.4 Community

  • Present starting in MariaDB Community Server 10.4.0.

  • Schema changed in MariaDB Community Server 10.4.22: ...

10.3 Enterprise

  • Present starting in MariaDB Enterprise Server 10.3.16-1.

  • Schema changed in MariaDB Enterprise Server 10.3.32-14: ...

10.3 Community

  • Present starting in MariaDB Community Server 10.3.0.

  • Schema changed in MariaDB Community Server 10.3.32: ...

10.2 Enterprise

  • Present starting in MariaDB Enterprise Server 10.2.25-1.

  • Schema changed in MariaDB Enterprise Server 10.2.41-14: ...

10.2 Community

  • Present starting in MariaDB Community Server 10.2.0.

  • Schema changed in MariaDB Community Server 10.2.41: ...

Release Series

History

10.6 Enterprise

  • Present starting in MariaDB Enterprise Server 10.6.4-1.

  • Schema changed in MariaDB Enterprise Server 10.6.5-2: ...

10.5 Enterprise

  • Present starting in MariaDB Enterprise Server 10.5.3-1.

  • Schema changed in MariaDB Enterprise Server 10.5.13-9: ...

10.4 Enterprise

  • Present starting in MariaDB Enterprise Server 10.4.6-1.

  • Schema changed in MariaDB Enterprise Server 10.4.22-14: ...

EXTERNAL REFERENCES